... : nature stone(agate) 3. Size: Dia. 28mm 1. We make various semi-precious stone products, different styles(such as necklace, bracelet, earring, pendant, animal ... Quartz, Aventurine, Tigereye, New Jade,Rock Crystal,Fluorite,Agate, amethyst , goldsand stone, blue sand stone, sodalite, amazonite, yellow jade, picture jasper, turquoise, unakite ...